ELECTONICS TUNERS WIRES PLUGS
2008+ CHALLENGER
PART# AIR/FUEL METERS PRICE BUY ME
F.A.S.T.
F.A.S.T. products are designed for EFI performance.  Their single and dual band air fuel meters are a must have for any tuner beginner or pro.  Easy to use and connects to most professional tuners.
HYPERTECH
Add 15-25 horsepower to your late model V8 Hemi Challenger.  Choose between regular unleaded or premium fuel and tons of options.  Options like speedometer adjustments, clearing dtc codes, adjusting cooling fans and much more.  Not interested in changing the tune but you need to adjust your speedomter?  Try the speedometer calibrator.  Both options take minutes to install and return to stock just as fast. 
GROUP BUYS